Tides Today & Tomorrow in Port Chatham, AK

TIDE TIMES for Saturday, June 13, 2026
The tide is currently falling in Port Chatham, AK.

Next low tide : in 4h 22m at 7:13 pm (3.1 ft)
Next high tide (tomorrow) : 1:19 am (15.8 ft)
Sunset today : 11:22 pm
Sunrise tomorrow : 4:51 am
Moon phase : New Moon (3% illuminated)
Tide Station Location : Station #9455428
Common Questions About Tides

Port Chatham, AK Tides - Jun 2026

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Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Mon	2:50	14.0	4:06	12.7	9:24	-1.5	9:27	4.0	5:02	11:07		1	Mon
2	Tue	3:26	13.8	4:43	12.5	9:59	-1.3	10:05	4.2	5:01	11:08		2	Tue
3	Wed	4:02	13.5	5:21	12.2	10:35	-0.9	10:43	4.5	4:59	11:10		3	Wed
4	Thu	4:40	13.0	6:01	11.8	11:12	-0.3	11:25	4.9	4:58	11:11		4	Thu
5	Fri	5:20	12.3	6:43	11.5	11:52	0.4			4:57	11:13		5	Fri
6	Sat	6:06	11.6	7:27	11.3	12:13	5.1	12:35	1.2	4:56	11:14		6	Sat
7	Sun	7:01	10.8	8:14	11.4	1:07	5.2	1:23	2.0	4:55	11:15		7	Sun
8	Mon	8:07	10.2	9:04	11.8	2:10	4.8	2:17	2.8	4:54	11:17		8	Mon
9	Tue	9:24	10.0	9:55	12.4	3:17	3.9	3:17	3.4	4:54	11:18		9	Tue
10	Wed	10:40	10.4	10:46	13.2	4:23	2.5	4:20	3.8	4:53	11:19		10	Wed
11	Thu	11:50	11.1	11:37	14.1	5:23	0.7	5:21	3.8	4:52	11:20		11	Thu
12	Fri			12:51	12.1	6:18	-1.1	6:19	3.6	4:52	11:21		12	Fri
13	Sat	12:28	15.0	1:48	13.1	7:09	-2.7	7:13	3.1	4:51	11:22		13	Sat
14	Sun	1:19	15.8	2:40	13.9	7:59	-4.0	8:05	2.6	4:51	11:23		14	Sun
15	Mon	2:11	16.4	3:30	14.4	8:48	-4.8	8:55	2.1	4:51	11:23		15	Mon
16	Tue	3:03	16.6	4:19	14.6	9:35	-5.0	9:45	1.8	4:51	11:24		16	Tue
17	Wed	3:54	16.3	5:06	14.6	10:23	-4.6	10:36	1.8	4:50	11:24		17	Wed
18	Thu	4:46	15.6	5:54	14.3	11:11	-3.7	11:29	2.0	4:50	11:25		18	Thu
19	Fri	5:39	14.5	6:43	13.9	11:59	-2.3			4:50	11:25		19	Fri
20	Sat	6:35	13.1	7:32	13.4	12:26	2.4	12:49	-0.6	4:51	11:26		20	Sat
21	Sun	7:36	11.7	8:23	12.9	1:27	2.7	1:40	1.2	4:51	11:26		21	Sun
22	Mon	8:45	10.6	9:16	12.5	2:34	2.9	2:35	2.9	4:51	11:26		22	Mon
23	Tue	10:02	9.9	10:09	12.3	3:45	2.8	3:35	4.3	4:52	11:26		23	Tue
24	Wed	11:20	9.9	11:00	12.3	4:54	2.3	4:37	5.2	4:52	11:26		24	Wed
25	Thu			12:26	10.3	5:53	1.6	5:37	5.6	4:53	11:26		25	Thu
26	Fri			1:20	10.9	6:41	0.9	6:29	5.6	4:53	11:26		26	Fri
27	Sat	12:34	12.7	2:04	11.5	7:23	0.2	7:15	5.3	4:54	11:25		27	Sat
28	Sun	1:16	13.1	2:43	12.0	8:01	-0.4	7:57	4.9	4:55	11:25		28	Sun
29	Mon	1:57	13.4	3:20	12.4	8:36	-1.0	8:36	4.4	4:56	11:24		29	Mon
30	Tue	2:37	13.7	3:54	12.8	9:11	-1.4	9:14	3.9	4:57	11:24		30	Tue
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (9455428)

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When is the lowest tide this week in Port Chatham, AK?

The lowest tide this week in Port Chatham, AK is -5.0 ft on Tuesday, Jun 16 at 9:35 am.

When is the highest tide this week in Port Chatham, AK?

The highest tide this week in Port Chatham, AK is 16.6 ft on Tuesday, Jun 16 at 3:03 am — worth noting for launching your boat and being alert for possible high tide flooding.

What time does the tide turn (slack tide) in Port Chatham, AK today?

Slack tide in Port Chatham, AK is approximately 10:16 pm — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Port Chatham, AK?

Port Chatham, AK is currently in a spring phase. Tonight's moon is 3% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly maximum.

What datum are Port Chatham, AK tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Port Chatham, AK?

Tide predictions for Port Chatham, AK come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Port Chatham, AK?

Tide data for Port Chatham, AK is sourced from NOAA Station #9455428. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9455428.

What time is high tide in Port Chatham, AK today?

High tides in Port Chatham, AK today: 12:28 am (15.0 ft), 1:48 pm (13.1 ft). The 12:28 am high of 15.0 ft is notably higher than the other — known as diurnal inequality, common on coasts influenced by lunar declination.

What time is low tide in Port Chatham, AK today?

Low tides in Port Chatham, AK today: 7:09 am (-2.7 ft), 7:13 pm (3.1 ft). The 7:09 am low of -2.7 ft is a minus tide — water below the MLLW reference datum, which can expose tidepools, mudflats, and shellfish beds not normally accessible.

What is the tidal range in Port Chatham, AK today?

Today's tidal range in Port Chatham, AK is 17.8 ft — the difference between the day's highest and lowest water level. This month's average daily range is about 13.8 ft, so today's swing is above-average.

What is the moon phase in Port Chatham, AK tonight?

Tonight the moon over Port Chatham, AK is New Moon (3% illuminated). This places Port Chatham, AK in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

What type of tides does Port Chatham, AK have — semi-diurnal, diurnal, or mixed?

Port Chatham, AK has semi-diurnal tides — two high tides and two low tides roughly every 24 hours and 50 minutes, with similar heights.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA

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